In his first-ever interview, the sole Australian survivor of the Waco siege has revealed to 60 Minutes what really took place during the 51-day stand-off, and why he believes crazed cult leader David Koresh will one day return to Earth as the son of God.

Woman 'frozen alive' in hospital body bag

An elderly woman in the US was allegedly frozen alive in a body bag after being locked in a hospital morgue when she was mistakenly pronounced dead.

Maria de Jesus Arroyo, 80, is said to have died as she tried to fight her way out of the body bag. She was found face-down with injuries to her face caused when she tried to escape, according to a pathologist.

Her family is saying the White Memorial Medical Center in Boyle Heights after the 2010 incident, their attorney Scott Schutzman told the Huffington Post.

"She was put into that body bag while she was alive," Mr Schutzman said.

"The cold from the hospital morgue woke her up, and she was fighting her way out when she died.

"She must of got the wounds while she was fighting, while she was on her way out, and that's why they found her upside down."

Ms Arroyo's injuries were so severe they could not be covered with make-up.